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<?php |
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/** |
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* @license LGPLv3, http://opensource.org/licenses/LGPL-3.0 |
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* @copyright Metaways Infosystems GmbH, 2011 |
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* @copyright Aimeos (aimeos.org), 2015-2016 |
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* @package MW |
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* @subpackage DB |
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*/ |
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namespace Aimeos\MW\DB\Statement\PDO; |
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/** |
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* Database statement class for simple \PDO statements. |
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* |
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* @package MW |
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* @subpackage DB |
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*/ |
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class Simple extends \Aimeos\MW\DB\Statement\Base implements \Aimeos\MW\DB\Statement\Iface |
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{ |
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private $binds = []; |
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private $conn; |
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private $parts; |
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private $sql; |
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/** |
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* Initializes the statement object. |
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* |
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* @param \PDO $conn \PDO database connection object |
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* @param string $sql SQL statement string |
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*/ |
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public function __construct( \PDO $conn, $sql ) |
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{ |
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$this->parts = $this->getSqlParts( $sql ); |
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$this->conn = $conn; |
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} |
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/** |
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* Binds a value to a parameter in the statement. |
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* |
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* @param integer $position Position index of the placeholder |
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* @param mixed $value Value which should be bound to the placeholder |
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* @param integer $type Type of given value defined in \Aimeos\MW\DB\Statement\Base as constant |
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*/ |
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public function bind( $position, $value, $type = \Aimeos\MW\DB\Statement\Base::PARAM_STR ) |
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{ |
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if( is_null( $value ) ) { |
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$this->binds[$position] = 'NULL'; return; |
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} |
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switch( $type ) |
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{ |
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case \Aimeos\MW\DB\Statement\Base::PARAM_NULL: |
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$this->binds[$position] = 'NULL'; break; |
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case \Aimeos\MW\DB\Statement\Base::PARAM_BOOL: |
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$this->binds[$position] = (int) (bool) $value; break; |
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case \Aimeos\MW\DB\Statement\Base::PARAM_INT: |
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$this->binds[$position] = (int) $value; break; |
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case \Aimeos\MW\DB\Statement\Base::PARAM_FLOAT: |
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$this->binds[$position] = (float) $value; break; |
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default: |
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$this->binds[$position] = $this->conn->quote( $value ); break; |
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} |
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$this->sql = null; |
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} |
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/** |
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* Executes the statement. |
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* |
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* @return \Aimeos\MW\DB\Result\Iface Result object |
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* @throws \Aimeos\MW\DB\Exception If an error occured in the unterlying driver or if the number of binds doesn't match |
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*/ |
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public function execute() |
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{ |
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if( count( $this->binds ) !== count( $this->parts ) - 1 ) |
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{ |
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$msg = 'Number of binds (%1$d) doesn\'t match the number of markers in "%2$s"'; |
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throw new \Aimeos\MW\DB\Exception( sprintf( $msg, count( $this->binds ), implode( '?', $this->parts ) ) ); |
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} |
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if( $this->sql === null ) { |
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$this->sql = $this->buildSQL( $this->parts, $this->binds ); |
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} |
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try |
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{ |
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return new \Aimeos\MW\DB\Result\PDO( $this->conn->query( $this->sql ) ); |
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} |
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catch ( \PDOException $e ) |
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{ |
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$msg = sprintf( 'Executing statement "%1$s" failed: ', $this->sql ); |
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throw new \Aimeos\MW\DB\Exception( $msg . $e->getMessage(), $e->getCode() ); |
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} |
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} |
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/** |
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* Returns the SQL string as sent to the database (magic PHP method) |
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* |
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* @return string SQL statement |
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*/ |
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public function __toString() |
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{ |
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if( $this->sql === null ) { |
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$this->sql = $this->buildSQL( $this->parts, $this->binds ); |
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} |
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return $this->sql; |
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} |
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} |
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aimeos /
aimeos-core
